FIELD: equipment for protecting control and operative codes and data of playing device.
SUBSTANCE: method includes receiving operative code of playing device, encrypted during symmetric encryption with use of first secret key, allocating encrypted code to playing device, decoding code with use of first secret key, storing decoded code in laying device and using decoded code for operation of playing device. Device has main playing controller, having associated memory, processor for executing code and protected access module, having decoding key, associated thereto.
EFFECT: higher functioning reliability of playing machines.
3 cl, 4 dwg
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